Magazine  (2000)  Page(s) 22. Vol 94, part 1.  
 
Brendan Paul of Paul's Rose Company, asks Who Needs Thorns?
Harvey [Davidson] has introduced the following varieties into the UK: 'Smooth Angel' ('Smooth Sailing' x ('Polly' x 'Royal Flush') a cream/apricot HT, very vigorous with the best perfume of all the varieties.

Website/Catalog  (Nov 1997)  Page(s) 9.  
 
Smooth Angel Hybrid Tea. Davidson 1986... rich, ivory petals with glowing apricot yellow centre... disease resistant; shortest of the "Smooth" varieties

Book  (Apr 1993)  Page(s) 556.  
 
Smooth Angel Hybrid Tea, apricot blending to cream at edges, 1986, (HADangel); 'Smooth Sailing' x 'Royal Flush'; Davidson, Harvey. Description.